Alert archive / North Dakota / Frost Advisories in 2012

Frost Advisory 2, NWS Bismarck, ND

April 29, 201218 counties in North Dakota

NWS Bismarck, ND issued this frost advisory at Apr 29, 2012, 2:19 AM MDT for 18 counties in North Dakota. It took effect at Apr 30, 2012, 12:00 AM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2012, 2:19 AM MDT (08:19 UTC)
In effect from
Apr 30, 2012, 12:00 AM MDT
Expired
Apr 30, 2012, 8:51 AM MDT
In force
9 hr
Issued by
NWS Bismarck, ND

Counties Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Slope County, ND, Stark County, ND, Williams County, ND

The radar

The Bismarck radar (KBIS), 140 km from the middle of the area, began a volume at 08:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.3 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 00:00Z on 2012-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2012-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
-33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

251 
WWUS73 KBIS 290819
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
319 AM CDT SUN APR 29 2012

...FROST ADVISORY FOR WESTERN NORTH DAKOTA SUNDAY NIGHT...

.LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
WESTERN NORTH DAKOTA SUNDAY NIGHT INTO MONDAY MORNING. THIS WILL
LEAD TO WIDESPREAD FROST ACROSS THE WEST...INCLUDING THE CITIES OF
WILLISTON..BOWBELLS...KILLDEER...DICKINSON..BEACH...BOWMAN AND
HETTINGER. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF
NOT PROTECTED FROM EXPECTED FROST CONDITIONS.

NDZ001-002-009-010-017-018-031>033-040-041-043-044-291900-
/O.NEW.KBIS.FR.Y.0002.120430T0600Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-GOLDEN VALLEY-
BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEACH...MEDORA...DICKINSON...
MARMARTH...MOTT...BOWMAN...HETTINGER
319 AM CDT SUN APR 29 2012 /219 AM MDT SUN APR 29 2012/

...FROST ADVISORY IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 10 AM
CDT /9 AM MDT/ MONDAY...

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO
10 AM CDT /9 AM MDT/ MONDAY. 

* LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
  WESTERN NORTH DAKOTA SUNDAY NIGHT INTO MONDAY MORNING.
  WIDESPREAD FROST IS EXPECTED. 

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$

AYD
6 follow-up statements
522 
WWUS73 KBIS 291914
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
214 PM CDT SUN APR 29 2012

...FROST ADVISORY FOR WESTERN NORTH DAKOTA SUNDAY NIGHT...

.LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
WESTERN NORTH DAKOTA SUNDAY NIGHT INTO MONDAY MORNING. THIS WILL
LEAD TO WIDESPREAD FROST ACROSS THE WEST...INCLUDING THE CITIES
OF WILLISTON..BOWBELLS...KILLDEER...DICKINSON..BEACH...BOWMAN AND
HETTINGER. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF
NOT PROTECTED FROM EXPECTED FROST CONDITIONS.

NDZ001-002-009-010-017-018-031>033-040-041-043-044-300315-
/O.CON.KBIS.FR.Y.0002.120430T0600Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-GOLDEN VALLEY-
BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEACH...MEDORA...DICKINSON...
MARMARTH...MOTT...BOWMAN...HETTINGER
214 PM CDT SUN APR 29 2012 /114 PM MDT SUN APR 29 2012/

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/
TO 10 AM CDT /9 AM MDT/ MONDAY...

* LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS 
  WESTERN NORTH DAKOTA SUNDAY NIGHT INTO MONDAY MORNING. 
  WIDESPREAD FROST IS EXPECTED. 

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT 
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$
823 
WWUS73 KBIS 300055
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
755 PM CDT SUN APR 29 2012

...FROST ADVISORY FOR WESTERN NORTH DAKOTA TONIGHT...

.LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
WESTERN NORTH DAKOTA TONIGHT INTO MONDAY MORNING. THIS WILL LEAD
TO WIDESPREAD FROST ACROSS THE WEST...INCLUDING THE CITIES OF
WILLISTON..BOWBELLS...KILLDEER...DICKINSON..BEACH...BOWMAN AND
HETTINGER. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF
NOT PROTECTED FROM EXPECTED FROST CONDITIONS.

NDZ001-002-009-010-017-018-031>033-040-041-043-044-300900-
/O.CON.KBIS.FR.Y.0002.120430T0600Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-GOLDEN VALLEY-
BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEACH...MEDORA...DICKINSON...
MARMARTH...MOTT...BOWMAN...HETTINGER
755 PM CDT SUN APR 29 2012 /655 PM MDT SUN APR 29 2012/

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/
TO 10 AM CDT /9 AM MDT/ MONDAY...

* LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS 
  WESTERN NORTH DAKOTA SUNDAY NIGHT INTO MONDAY MORNING. 
  WIDESPREAD FROST IS EXPECTED. 

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT 
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$
TWH
574 
WWUS73 KBIS 300313
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
1013 PM CDT SUN APR 29 2012

...FROST ADVISORY FOR WESTERN NORTH DAKOTA TONIGHT...

.LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
WESTERN NORTH DAKOTA TONIGHT INTO MONDAY MORNING. THIS WILL LEAD
TO WIDESPREAD FROST ACROSS THE WEST...INCLUDING THE CITIES OF
WILLISTON..BOWBELLS...KILLDEER...DICKINSON..BEACH...BOWMAN AND
HETTINGER. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF
NOT PROTECTED FROM EXPECTED FROST CONDITIONS.

NDZ001-002-009-010-017-018-031>033-040-041-043-044-301115-
/O.CON.KBIS.FR.Y.0002.120430T0600Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-GOLDEN VALLEY-
BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEACH...MEDORA...DICKINSON...
MARMARTH...MOTT...BOWMAN...HETTINGER
1013 PM CDT SUN APR 29 2012 /913 PM MDT SUN APR 29 2012/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
MONDAY...

* LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS 
  WESTERN NORTH DAKOTA SUNDAY NIGHT INTO MONDAY MORNING. 
  WIDESPREAD FROST IS EXPECTED. 

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT 
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$
TWH
206 
WWUS73 KBIS 300847
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
347 AM CDT MON APR 30 2012

...FROST ADVISORY FOR WESTERN NORTH DAKOTA THIS MORNING...

.LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
WESTERN NORTH DAKOTA THIS MORNING. THIS WILL LEAD TO AREAS OF FROST
ACROSS THE WEST...INCLUDING THE CITIES OF
WILLISTON...BOWBELLS...KILLDEER...DICKINSON...BEACH...BOWMAN AND
HETTINGER. SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF
NOT PROTECTED FROM EXPECTED FROST CONDITIONS.

NDZ001-002-009-010-017-018-031>033-040-041-043-044-301500-
/O.CON.KBIS.FR.Y.0002.000000T0000Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-GOLDEN VALLEY-
BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEACH...MEDORA...DICKINSON...
MARMARTH...MOTT...BOWMAN...HETTINGER
347 AM CDT MON APR 30 2012 /247 AM MDT MON APR 30 2012/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING...

* LOW TEMPERATURES IN THE LOW TO MID 30S ARE FORECAST ACROSS
  WESTERN NORTH DAKOTA THIS MORNING. AREAS OF FROST ARE EXPECTED.

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT 
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$

AYD
945 
WWUS73 KBIS 301222
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
722 AM CDT MON APR 30 2012

...FROST ADVISORY FOR WESTERN AND PORTIONS OF CENTRAL NORTH
DAKOTA THIS MORNING...

.A FROST ADVISORY IS IN EFFECT THIS MORNING FOR WESTERN AND
PORTIONS OF CENTRAL NORTH DAKOTA. LOW TEMPERATURES IN THE LOW TO
MID 30S WILL CONTINUE ACROSS MUCH OF WESTERN AND CENTRAL NORTH
DAKOTA THIS MORNING. THIS WILL LEAD TO AREAS OF FROST...INCLUDING
THE CITIES OF WILLISTON...KILLDEER...DICKINSON...BOWMAN...BISMARCK...
MANDAN...BEULAH...AND GARRISON. SENSITIVE OUTDOOR PLANTS MAY BE
DAMAGED OR KILLED IF NOT PROTECTED FROM EXPECTED FROST CONDITIONS.

NDZ019>021-034-035-042-045-046-301500-
/O.EXA.KBIS.FR.Y.0002.000000T0000Z-120430T1500Z/
MERCER-OLIVER-MCLEAN-MORTON-BURLEIGH-GRANT-SIOUX-EMMONS-
INCLUDING THE CITIES OF...BEULAH...HAZEN...CENTER...GARRISON...
MANDAN...BISMARCK...ELGIN...FORT YATES...LINTON
722 AM CDT MON APR 30 2012 /622 AM MDT MON APR 30 2012/

...FROST ADVISORY IN EFFECT UNTIL 10 AM CDT /9 AM MDT/ THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/ THIS
MORNING. 

* LOW TEMPERATURES IN THE LOW TO MID 30S WILL PERSIST ACROSS
  PORTIONS OF CENTRAL NORTH DAKOTA THIS MORNING. AREAS OF FROST
  ARE EXPECTED.

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT 
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$

NDZ001-002-009-010-017-018-031>033-040-041-043-044-301500-
/O.CON.KBIS.FR.Y.0002.000000T0000Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-GOLDEN VALLEY-
BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEACH...MEDORA...DICKINSON...
MARMARTH...MOTT...BOWMAN...HETTINGER
722 AM CDT MON APR 30 2012 /622 AM MDT MON APR 30 2012/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING...

* LOW TEMPERATURES IN THE LOW TO MID 30S WILL PERSIST ACROSS WESTERN
  NORTH DAKOTA THIS MORNING. AREAS OF FROST ARE EXPECTED.

* SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF NOT 
  PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNPROTECTED.

&&

$$
834 
WWUS73 KBIS 301451
NPWBIS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
951 AM CDT MON APR 30 2012

...FROST ADVISORY HAS EXPIRED...

.TEMPERATURES HAVE RISEN INTO THE UPPER 30S TO LOW 40S ACROSS
WESTERN NORTH DAKOTA AND THE FROST ADVISORY WHICH WAS IN EFFECT
HAS BEEN ALLOWED TO EXPIRE.

NDZ001-002-009-010-017>021-031>035-040>046-301600-
/O.CAN.KBIS.FR.Y.0002.000000T0000Z-120430T1500Z/
DIVIDE-BURKE-WILLIAMS-MOUNTRAIL-MCKENZIE-DUNN-MERCER-OLIVER-
MCLEAN-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-SLOPE-
HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-
INCLUDING THE CITIES OF...CROSBY...BOWBELLS...WILLISTON...
NEW TOWN...WATFORD CITY...KILLDEER...BEULAH...HAZEN...CENTER...
GARRISON...BEACH...MEDORA...DICKINSON...MANDAN...BISMARCK...
MARMARTH...MOTT...ELGIN...BOWMAN...HETTINGER...FORT YATES...
LINTON
951 AM CDT MON APR 30 2012 /851 AM MDT MON APR 30 2012/

...FROST ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ALLOWED THE THE
FROST ADVISORY TO EXPIRE.

TEMPERATURES HAVE RISEN INTO THE UPPER 30S TO LOW 40S ACROSS
WESTERN NORTH DAKOTA AND THE FROST ADVISORY WHICH WAS IN EFFECT
HAS BEEN ALLOWED TO EXPIRE.|.

$$

Nearby

Frost Advisories in North Dakota, 2012Every frost advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.